20310+4050 CAN 26 AC

 
 
20h 31m 00.20s +40° 49' 49.8" P.A. 335.00 sep 8.3 mag 7.80,12.60 Sp O7V
 
 
Coord 2000 20310+4050 Discov num CAN  26 Comp AC Coord arcsec 2000 20 31 00.20 +40 49 49.8
Date first 1998 Date last 2014 Obs 4
Pa first 336 Pa last 335.2 P.A. Now (θ) 335.2°
Sep first 8.2 Sep last 8.275 Sep. Now (ρ) 8.275"
Mag pri 7.80 Mag sec 12.60 delta mag (ΔM) 4.8 Spectral class O7V (blue)
Pri motion ra Sec motion ra
Pri motion dec Sec motion dec
Notes V K (Proper motion indicates physical, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
 
 
20310+4050 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 31 00 +40 49 50 CAN 26 AB 2008 1 270 2.6 7.80 15.80 8.00
Show 20 31 00 +40 49 50 CAN 26 AC 2014 4 335 8.3 7.80 12.60 4.80 <===
Show 20 31 00 +40 49 50 CAN 26 AD 2008 1 93 8.4 7.80 15.00 7.20
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus
 
 
WDS 20310+4050 CAN 26 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
CaN2014 Hf j Caballero-Nieves, S.M., Nelan, E.P., Gies, D.R., Wallace, D.J., DeGioia-Eastwood, 2014AJ....147...40C
CaN2014 K., Herrero, A., Jao, W.-J., Mason, B.D., Massey, P., Moffat, A.F., & Walborn, N.
CaN2014 AJ 147, 40, 2014
CaN2020 A j Caballero-Nieves, S.M., Gies, D.R., Baines, E.K., Bouchez, A.H., Dekany, R.G., 2020AJ....160..115C
CaN2020 Goodwin, S.P., Rickman, E.L., Roberts, L.C., Jr., Taggart, K., ten Brummelaar,
CaN2020 T.A. & Turner, N.H.
CaN2020 AJ 160, 115, 2020
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20310+4050 CAN 26 AC 2014 4 335 8.3 7.80 12.60 O7V V K 203100.20+404949.8

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WDS 20310+4050 CAN 26 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20310+4050 CAN 26 AC : MEASURES
 
 
No records found.

 
 
WDS 20310+4050 : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Radius:
Components only
 
 
WDS 20310+4050 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.